KR900702632A - Current limiting method of voltage inverter - Google Patents

Current limiting method of voltage inverter

Info

Publication number
KR900702632A
KR900702632A KR1019900700873A KR900700873A KR900702632A KR 900702632 A KR900702632 A KR 900702632A KR 1019900700873 A KR1019900700873 A KR 1019900700873A KR 900700873 A KR900700873 A KR 900700873A KR 900702632 A KR900702632 A KR 900702632A
Authority
KR
South Korea
Prior art keywords
voltage
output
vector
inverter
output current
Prior art date
Application number
KR1019900700873A
Other languages
Korean (ko)
Other versions
KR930008839B1 (en
Inventor
히로후미 미노와
마사루 야마조에
다까오 야나세
신이찌 이시이
요시노부 나가오
Original Assignee
나까오 다께시
후지 덴끼 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 나까오 다께시, 후지 덴끼 가부시끼가이샤 filed Critical 나까오 다께시
Priority claimed from PCT/JP1989/000889 external-priority patent/WO1990002442A1/en
Publication of KR900702632A publication Critical patent/KR900702632A/en
Application granted granted Critical
Publication of KR930008839B1 publication Critical patent/KR930008839B1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53873—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with digital control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53875—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53875—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
    • H02M7/53876—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/90—Specific system operational feature
    • Y10S388/903—Protective, e.g. voltage or current limit

Abstract

내용 없음No content

Description

전압형 인버터의 전류 제한 방식Current limiting method of voltage inverter

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 제1실시예에 사용되는 전류 제한회로를 인버터와 함께 나타내는 블럭도, 제2도 및 제3도는 상기 실시예에 있어서 전류 제한의 작용을 설명하기 위한 전압 및 전류의 벡터도.1 is a block diagram showing the current limiting circuit used in the first embodiment of the present invention together with an inverter, and FIGs. 2 and 3 are vector diagrams of voltage and current for explaining the effect of the current limiting in the above embodiment. .

Claims (10)

전압형 인버터의 출력 전류벡터의 크기가 미리 정해진 제한치를 초과한 것을 검출하는 제1수단과, 상기 출력 전류벡터의 위치를 검출하는 제2수단과, 상기 출력 전류벡터의 크기가 상기 제한치를 초과했을때에, 상기 제2수단에 의하여 검출된 출력 전류벡터의 반대 방향의 벡터에 위치가 가장 가까운 전압벡터를 선택하여 상기 전압형 인버터에 출력되는 제3수단을 구비하는 것을 특징으로 하는 인버터의 전류제한 방식.First means for detecting that the magnitude of the output current vector of the voltage inverter exceeds a predetermined limit value, second means for detecting the position of the output current vector, and magnitude of the output current vector exceeds the limit value. And a third means for selecting a voltage vector closest to the vector in the opposite direction of the output current vector detected by the second means and outputting the voltage vector to the voltage inverter. system. 제1항에 있어서, 입력된 전압지령에 따라 소정의 스위칭패턴을 발생하는 제4수단과, 상기 제3수단에서 선택된 전압벡터에 대응하는 스위칭 패턴 및 상기 제4수단에서의 스위칭패턴의 한쪽을, 상기 제1수단에서의 검출출력에 따라 선택하여 출력하는 제5수단을 또한 구비하는 것을 특징으로 하는 전압형 인버터의 전류제한 방식.According to claim 1, wherein the fourth means for generating a predetermined switching pattern according to the input voltage command, one of the switching pattern corresponding to the voltage vector selected by the third means and the switching pattern in the fourth means, And a fifth means for selecting and outputting the selected output according to the detection output in the first means. 제1항 또는 제2항에 있어서, 상기 제1수단은, 상기 전압형 인버터의 출력전류를 검출하는 수단과, 그 수단에 의하여 검출된 출력전류를 상기 제한치와 비교하는 비교수단을 가지고, 상기 제3수단은, 상기 출력 전류벡터의 위치를 판별하는 판별수단과, 그 판별수단에서의 판별출력에 따라 미리 정해진 스위칭 패턴을 출력하는 출력패턴 발생수단을 구비하는 것을 특징으로 하는 전압형인버터의 전류제한 방식.The said first means has a means which detects the output current of the said voltage type inverter, and the comparison means which compares the output current detected by the means with the said limit value, The said 1st means has the said 1st means. And the third means includes discriminating means for discriminating the position of the output current vector, and output pattern generating means for outputting a predetermined switching pattern in accordance with the discriminating output from the discriminating means. system. 제1항 또는 제2항에 있어서, 상기 제1수단은, 상기 전압형 인버터의 출력전류를 검출하는 수단과, 그 수단에 의하여 검출된 출력전류를 상기 제한치와 비교하는 비교수단을 가지고, 상기 제3수단은, 상기 비교수단에서의 비교출력을 받고, 그 비교출력에 따라 상기 출력 전류벡터의 위치를 판별하는 판별수단과, 그 판별수단에서의 판별출력에 따라, 미리 정해진 스위칭 패턴을 출력하는 전압형 인버터의 전류제한 방식.The said first means has a means which detects the output current of the said voltage type inverter, and the comparison means which compares the output current detected by the means with the said limit value, The said 1st means has the said 1st means. The third means receives the comparison output from the comparison means, and discriminates means for discriminating the position of the output current vector according to the comparison output, and a voltage for outputting a predetermined switching pattern in accordance with the discrimination output from the discrimination means. Current limiting type of inverter type inverter. 전압형 인버터의 출력 전류벡터의 크기가 미리 정해진 제한치를 초과한 것을 검출하는 제1수단과, 상기 출력 전류벡터의 위치를 검출하는 제2수단과, 상기 전압형 인버터이 출력전류 및 출력전압에서 상기 전압형 인버터의 부하에 대한 역기전력벡터의 위치를 검출하는 제6수단과, 상기 출력 전류벡터의 크기가 상기 제한치를 초과했을때에, 상기 출력 전류벡터의 위치 및 역기전력벡터의 위치에 의하여, 상기 출력전류를 감소시키고, 그 감소율이 최소로되는 전압벡터를 선택하여 상기 전압형 인버터에 출력시키는 제7수단을 구비하는 것을 특징으로 하는 전압형 인버터의 전류제한 방식.First means for detecting that the magnitude of the output current vector of the voltage inverter exceeds a predetermined limit value, second means for detecting the position of the output current vector, and the voltage inverter converts the voltage at an output current and an output voltage. Sixth means for detecting the position of the back EMF vector with respect to the load of the inverter and the output current by the position of the output current vector and the position of the back EMF vector when the magnitude of the output current vector exceeds the limit. And a seventh means for selecting a voltage vector at which the reduction rate is minimized and outputting the voltage vector to the voltage inverter. 제5항에 있어서, 입력된 전압지령에 따라 소정의 스위칭패턴을 발생하는 제4수단과, 상기 제3수단에서 선택된 전압벡터에 대응하는 스위칭 패턴 및 상기 제4수단에서의 스위칭패턴의 한쪽을, 상기 제1수단에서의 검출출력에 따라, 선택하여 출력하는 제5수단을 구비하는 것을 특징으로 하는 전압형 인버터의 전류제한 방식.The method of claim 5, wherein the fourth means for generating a predetermined switching pattern according to the input voltage command, one of the switching pattern corresponding to the voltage vector selected by the third means and the switching pattern in the fourth means, And a fifth means for selecting and outputting the output according to the detection output by the first means. 제5항 또는 제6항에 있어서, 상기 제1수단과, 상기 전압형 인버터의 출력전류를 검출하는 수단과 비교하는 수단을 가지고, 상기 제7수단은 상기 출력 전류벡터의 위치를 판별하고, 그 판별된 출력 전류벡터의 위치에 대하여 역기전력벡터를 몇번 회전하면 좋은지를 나타내는 회전각 신호르 취출하는 판별수단과, 상기 제6수단에서 얻은 상기 역기전력벡터 및 상기 판별수단에서 얻은 회전각신호에 따라, 상기 역기전력벡터의 위치를 판별하는 역기전력벡터 판별수단과, 상기 회전각신호 및 상기 역기전력벡터 판별수단에서의 판별출력에 따라, 미리 정해진 스위칭패턴을 출력하는 출력패턴 발생 수단을 구비하는 것을 특징으로 하는 전압형 인버터의 전류제한 방식.7. The apparatus according to claim 5 or 6, further comprising means for comparing the first means with means for detecting an output current of the voltage inverter, and the seventh means determines the position of the output current vector, According to the discriminating means for extracting a rotation angle signal indicating how many times the counter electromotive force vector should be rotated with respect to the position of the determined output current vector, and the counter electromotive force vector obtained by the sixth means and the rotation angle signal obtained by the determining means, And a back electromotive force vector discrimination means for discriminating the position of the back electromotive force vector, and an output pattern generating means for outputting a predetermined switching pattern according to the discrimination output from the rotation angle signal and the back electromotive force vector discrimination means. Current limiting method of inverter. 전압형 인버터의 각상에 대한 출력전류의 크기가 정의 제한치를 초과했을 때에 상기 인버터의 해당상에 대한 상아암의 스위칭 소자를 차단시키고, 상기 출력전류의 크기가 부의 제한치를 초과했을때에 상기 인버터의 해당상에 대한 하아암의 스위칭 소자르 차단시키는 제1전류제한회로와, 상기 전압형 인버터의 출력전류 크기가 상기 정 또는 부의 제한치를 초과했을때에 상기 출력 전류벡터의 반대방향의 벡터에 위치가 가장 가까운 전압벡터를 선택하여 상기 전압형 인버터에 출력시키는 제2전류제한회로와, 상기 제1및 제2전류제한 회로에서의 출력을 받고, 상기 전압형 인버터에 의하여 운전되는 모터이 구동시에는 상기 제1전류제한회로에서의 출력에 의하여 전류제한을 행하고, 상기 모터의 제동시에는 상기 제2전류제한회로에서의 출력에 의하여 전류제한을 행하는 절환회로를 갖춘 것을 특징으로 하는 전압형 인버터의 전류제한 방식.When the magnitude of the output current for each phase of the voltage inverter exceeds the positive limit, the switching element of the upper arm for the phase of the inverter is cut off, and when the magnitude of the output current exceeds the negative limit, A first current limiting circuit which cuts off the switching element of the lower arm for the phase and a position opposite to the output current vector when the magnitude of the output current of the voltage inverter exceeds the positive or negative limit value; A second current limiting circuit which selects the closest voltage vector and outputs the voltage to the voltage inverter, and a motor which is driven by the voltage inverter receiving the output from the first and second current limiting circuits; The current is limited by the output from the one current limiting circuit, and upon braking of the motor, Current limit scheme of the voltage-type inverter, characterized in that with a switching circuit for current limiting. 전압형 인버터의 각상에 대한 출력 전류의 크기가 정 또는 부의 제한치를 초과한 것을 검출하는 제1수단과, 상기 전압형 인버터의 출력 전류의 크기가 상기 정의 제한치를 초과했을때에 상기 인버터의 해당상에 대한 상기 아암의 스위칭 소자를 차단시키고, 상기 출력전류의 크기가 부의 제한치를 초과했을때에 상기 인버터의 해당상에 대한 하아암의 스위칭 소자를 차단시키는 제1전류제한 회로와, 상기 전압형 인버터의 출력전류의 크기가 상기 정 또는 부의 제한치를 초과했을때에 상기 출력 전류벡터의 반대 방향의 벡터에 위치가 가장 가까운 전압 벡터를 선택하여 상기 전압형 인버터에 출력시키는 제2전류 제한회로와, 상기 출력전류의 크기가 상기 정 또는 부의 제한치를 초과했을때의 상기 전압형 인버터의 스위칭패턴 및 어느 상의 전류가 상기 정 또는 부의 제한치를 초과했는지의 결과에 따라, 상기 제1전류 제한회로 및 상기 제2전류제한회로의 어느것에 의하여 전류제한을 행하는 지를 판단하느 판단회로와, 그 판단회로에서의 판단출력에 따라, 상기 제1및 제2전류제한 회로의 한쪽에서 출력을 선택하여 취출하는 절환회로를 구비하는 것을 특징으로하는 전압형 인버터의 전류제한 방식.First means for detecting that the magnitude of the output current for each phase of the voltage inverter exceeds a positive or negative limit, and a corresponding phase of the inverter when the magnitude of the output current of the voltage inverter exceeds the positive limit. A first current limiting circuit for disconnecting the switching element of the arm to the first current limiting circuit and for disconnecting the switching element of the lower arm to the corresponding phase of the inverter when the magnitude of the output current exceeds a negative limit; A second current limiting circuit which selects and outputs a voltage vector closest to the vector in the opposite direction of the output current vector to the voltage inverter when the magnitude of the output current exceeds the positive or negative limit; The switching pattern of the voltage inverter and the current of any phase when the magnitude of the output current exceeds the positive or negative limit value According to the judgment circuit which judges which of the said 1st current limiting circuit and the said 2nd current limiting circuit performs a current limit according to the result of having exceeded the positive or negative limit value, and according to the judgment output in the decision circuit, And a switching circuit for selecting and taking out an output from one of the first and second current limiting circuits. 전압형 인버터의 각상에 대한 출력 전류의 크기가 정 또는 부의 제한치를 초과한 것을 검출하는 제1수단과, 상기 전압형 인버터의 출력 전류의 크기가 상기 정의 제한치를 초과했을때에 상기 인버터의 해당사에 대한 상기 아암의 스위칭 소자를 차단시키고, 상기 출력전류의 크기가 부의 제한치를 초과했을때에 상기 인버터의 해당사에 대한 하아암의 스위칭 소자를 차단시키는 제1전류제한 회로와, 어느상의 출력전류의 크기가 상기 정 또는 부의 제한치를 초과했을때에 모든 상의 스위칭 소자를 오프시키는 전소자오프회로와, 상기 전압형 인버터에 의하여 운전되는 모터의 구동/제동 판별 신호에 의하여 절환이 선택되고, 상기 모터의 구동시에는 상기 제1전류제한회로에서의 출력을 선택하여 취출하고, 상기 모터의 제공시에는 상기 전소자오프회로에서의 출력을 선택하여 취출하여 전류제한을 행하는 절환회로를 구비하는 것을 특징으로 하는 전압형 인버터의 전류제한 방식.First means for detecting that the magnitude of the output current for each phase of the voltage inverter exceeds a positive or negative limit, and a corresponding company of the inverter when the magnitude of the output current of the voltage inverter exceeds the positive limit value. A first current limiting circuit for disconnecting the switching element of the arm against the arm and shutting off the switching element of the lower arm to the corresponding company of the inverter when the magnitude of the output current exceeds a negative limit; Switching is selected by an all-element off-circuit for turning off all phase switching elements when the positive or negative limit value is exceeded, and a drive / braking discrimination signal of a motor driven by the voltage inverter, At the same time, the output from the first current limiting circuit is selected and taken out. It selects the output of the stand by way of a current limiting voltage-type inverter, characterized in that for taking out provided with a switching circuit for current limiting. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900700873A 1988-08-30 1989-08-30 Current limiting apparatus and method for a voltage type inverter KR930008839B1 (en)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
JP21558588 1988-08-30
JP215585 1988-08-30
JP215,585 1988-08-30
JP31349788 1988-12-12
JP313497 1988-12-12
JP313,497 1988-12-12
JP32011888 1988-12-19
JP320,118 1988-12-19
JP320118 1988-12-19
JP53521 1989-03-06
JP5352189 1989-03-06
JP53,521 1989-03-06
JP135045 1989-05-29
JP13504589 1989-05-29
JP135,045 1989-05-29
JP162,270 1989-06-23
JP16227089A JP2745691B2 (en) 1988-08-30 1989-06-23 Current limiting method of voltage type inverter
JP162270 1989-06-23
PCT/JP1989/000889 WO1990002442A1 (en) 1988-08-30 1989-08-30 Current limiting system for a voltage-type inverter

Publications (2)

Publication Number Publication Date
KR900702632A true KR900702632A (en) 1990-12-07
KR930008839B1 KR930008839B1 (en) 1993-09-15

Family

ID=27523081

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900700873A KR930008839B1 (en) 1988-08-30 1989-08-30 Current limiting apparatus and method for a voltage type inverter

Country Status (3)

Country Link
EP (1) EP0588388B1 (en)
JP (1) JP2745691B2 (en)
KR (1) KR930008839B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100551106B1 (en) * 2004-07-16 2006-02-09 엘에스산전 주식회사 Apparatus for Load Status Identification via On-Line and Gain tuning of Vector Inverters and Method therefor
GB0510302D0 (en) * 2005-05-20 2005-06-29 Siemens Ag Apparatus for the braking of inverter driven induction motors
DE102007006154A1 (en) 2007-02-07 2008-08-14 Fuji Electric Fa Components & Systems Co., Ltd. Motor control device for controlling motor by alternating current-cycloconverter, has current measuring device for measuring motor currents
DE102011075560A1 (en) 2011-05-10 2012-11-15 Bayerische Motoren Werke Aktiengesellschaft Power electronic device and control method for an electrical machine and for electrical energy storage
CN113141144B (en) * 2021-03-25 2023-03-28 联合汽车电子有限公司 Motor drive circuit
CN113472248B (en) * 2021-06-22 2022-09-02 西北工业大学 High-dynamic low-calculation-quantity PMSM (permanent magnet synchronous Motor) control method
TWI822561B (en) * 2023-01-17 2023-11-11 固緯電子實業股份有限公司 Device to improve current limiting response speed and waveform

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928152B2 (en) * 1978-11-04 1984-07-11 ファナック株式会社 Protection device for motor drive inverter circuit
DE3131361A1 (en) * 1981-08-07 1983-02-24 Siemens Ag METHOD AND DEVICE FOR CONTROLLING THE LOAD CURRENT OF A POLE INVERTER
CH644477A5 (en) * 1981-09-17 1984-07-31 Spincor Sa POWER SUPPLY CIRCUIT FOR A MULTI-PHASE ASYNCHRONOUS ELECTRIC MACHINE.
JPH0755055B2 (en) * 1985-11-20 1995-06-07 富士電機株式会社 Output current limiting method for voltage source PWM inverter
MX160152A (en) * 1986-11-26 1989-12-13 Babcock & Wilcox Co IMPROVEMENTS IN CURRENT FAILURE DETECTION SYSTEM FOR AC CURRENT CONTROLLERS
JPS63198523A (en) * 1987-02-10 1988-08-17 松下電器産業株式会社 Brushless dc motor protector

Also Published As

Publication number Publication date
EP0588388A2 (en) 1994-03-23
KR930008839B1 (en) 1993-09-15
JPH0374175A (en) 1991-03-28
JP2745691B2 (en) 1998-04-28
EP0588388B1 (en) 1997-06-04
EP0588388A3 (en) 1994-04-13

Similar Documents

Publication Publication Date Title
EP1152520B1 (en) Inverter device
KR960021816A (en) Electric vehicle controller
KR910010823A (en) AC motor controller
KR890005963A (en) H-bridge electric motor control method and device
KR930005323A (en) Parallel operation control device of PWM inverter
KR900702632A (en) Current limiting method of voltage inverter
KR930015240A (en) Overtemperature Protection Circuit of Three-Phase Compressor
KR920022640A (en) Inverter unit and AC motor drive system
EP0383949A4 (en) Current limiting system for a voltage-type inverter
KR920005442A (en) DC motor driving circuit
JP2000253687A (en) Servo device
KR960043462A (en) Input power control device and method for induction motor
JPH07239359A (en) Inverter apparatus and driving method therefor
EP0009735B1 (en) Apparatus for detecting opposite phase and open phase
JP2585894B2 (en) Protective relay
KR850002237A (en) Elevator speed control device
KR970077928A (en) Switching circuit of voltage inverter and its control method
KR920001300B1 (en) Safety device of elevator
JP3044822B2 (en) Power factor control device
KR940003344B1 (en) Damping circuit for dc current of inverter
JPH0866091A (en) Method and circuit for current limitation of voltage-type inverter
KR890013845A (en) Switching method and device of faulty motor
KR940004127A (en) Motor control device and its method
KR900004072A (en) Inverter overcurrent protection method and circuit
JPH07163043A (en) Motor controller

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040910

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee